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Home >> Jeep >> 2022 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Distribution >> Description And Operation >> Power Distribution Systems >> Body Control Module (BCM)

Body Control Module (BCM)

BODY CONTROL MODULE (BCM)

The BCM:

  • Is the gateway module for the Controller Area Network (CAN) bus
  • Receives hard wired input from sensors and switches
  • Provides logic and output control of certain electrical systems
  • Provides load shedding logic and control
  • Supports flashing (reprogramming) of itself as well as other Electronic Control Units (ECUs) on the CAN data bus networks
  • Stores vehicle configuration data

Inputs

  • Shipping mode status
  • Ignition command state
  • Remote start active signal
  • Battery State of Charge (SoC) input
  • Accessory (ACC) delay active input
  • Wireless Charging Pad Module errors and faults
  • 115 volt outlet switch with indicator
  • PIM operational output status signals

Outputs

  • Internal lighting command to the Wireless Charging Pad Module
  • Door ajar signals to the Wireless Charging Pad Module
  • Commanded ignition state to the Wireless Charging Pad Module
  • Battery SoC to the Wireless Charging Pad Module
  • RUN/ACC relay control to the PDC
  • Cargo power outlet display message commands to the Instrument Panel Cluster (IPC)
  • PIM control outputs
  • Vehicle configuration to multiple nodes on the bus networks